CN103478139A - Water surface floating granule for weeding - Google Patents
Water surface floating granule for weeding Download PDFInfo
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- CN103478139A CN103478139A CN201310448663.5A CN201310448663A CN103478139A CN 103478139 A CN103478139 A CN 103478139A CN 201310448663 A CN201310448663 A CN 201310448663A CN 103478139 A CN103478139 A CN 103478139A
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Abstract
The invention relates to the field of agricultural chemicals, in particular to a floating granule for preventing and controlling weeds in a paddy field. The floating granule comprises the following components in percentage by weight: 1-80 % of oxadiargyl, 1-15% of a water surface diffusant, 1-10% of a dispersing agent, 1-5% of a wetting agent, 1-10% of a disintegrating agent, 1-10% of a binding agent, 1-10% of a density conditioning agent and the balance of a carrier. The invention further discloses a preparation method for the granule. The preparation method comprises the following steps: firstly, uniformly mixing the components according to a certain rate, after the completion of air-blast pulverizing, adding the binding agent and the density conditioning agent to prepare a wed material, and then performing pelleting, drying and sieving to prepare a product. The floating granule has the advantages of convenience in application, time saving, labor saving, high flashing point, low possibility of inflaming and explosion, safety in production, storage and use, low product cost, convenience in package and the like.
Description
Technical field
The present invention relates to pesticide field, particularly a kind of for preventing and kill off the floating particle agent of paddy field weed.
Background technology
The general oxadiargyl by name of oxadiargyl, test code number RP-020630, trade name Raft, Topstar, the Chinese commodity are thought to reach by rice by name, that French Luo Na-Rhone-Poulenc is in the cyclic imide class selectivity contact killing type High-efficient Water dry land bud phase weed killer herbicide of exploitation at the beginning of the nineties, it is proporphyrinogen oxidase (Protox) inhibitor, can be used for paddy rice, sugarcane, sunflower, potato, the crop Tanakas such as winter wheat and transplanting vegetables prevent and kill off annual gramineous weed and most of broad leaved weed, as barnyard grass, lady's-grass, green foxtail, eleusine indica, piemarker, lamb's-quarters, knotweed, Amaranthus retroflexus, black nightshade etc., suitable soil moisture is conducive to bring into play drug effect.This product is prevented and kill off grassy weed, broad leaved weed and annual sedge weed in transplanting rice field, direct-sowing dry rice field and the Direct sowing rice field of world many countries, be suitable for different geographical environments, Different climate condition and different cropping system, and being made referrals to Latin America, Europe, the Middle East and the Asian-Pacific area in 1996, the registration crop is paddy rice, sugarcane, onion.In Japan, oxadiargyl is used for lawn and golf course with trade name FenaxFlowable registration.Within 1997, in China, obtain interim registration (LS97003), the registration crop is paddy rice.
The preparation of oxadiargyl, what at present data can be looked into reaches 80% wetting powder, 25% oil-suspending agent for the rice think of.The floating particle agent is a kind of very new formulations of pesticide.It and traditional agricultural chemicals have greatest differences, have a dispenser, and full field is the advantage of diffusion automatically, has better solved and has sprayed uneven problem, and greatly reduced labour intensity.Be particularly suitable for the area of lack of labor, the peasant does not directly contact poisonous agricultural chemicals, for the not strong vast farmers of safeguard procedures consciousness, has very high safety, applicability.At present, except there are the minority kind in the U.S., Japan, realize suitability for industrialized production, other countries are still in conceptual phase.China had studied some solid water surface float type agricultural chemicals and had spread the liquid preparation such as drops, and the technical staff of we and Japanese this grease of bamboo carries out deep cooperation, for a few thing has been done in this formulation industrialization.
Summary of the invention
Order of the present invention, be a kind of stable performance is provided, suspensibility is high, the active ingredient of reliable in quality is oxadiargyl
Technical scheme: a kind of for preventing and kill off the floating particle agent of paddy field weed, it is comprised of the component of following percentage by weight: oxadiargyl content 1%-80%, water surface diffusant 1%-15%, dispersant 1%-10%, wetting agent 1%-5%, disintegrant 1%-10%, binding agent 1%-10%, density adjuster 1%-10%, the carrier surplus.
1, described water surface diffusant is selected refining mineral oil, saxol, white spirit, peanut oil, soybean oil, palm oil, turpentine oil.
2, described dispersant is selected lignin sulfonate, the polycarboxylic acid salt, the mixing of one or more in alkylphenol polyoxyethylene formaldehyde condensation products, polyoxyethylene polyoxypropylene base ether block copolymers, dodecyl polyoxyethylene phosphate or alkyl naphthalene formaldehyde condensate sulfonates.
3, described wetting agent select neopelex, pull open powder, one or more the mixing in lauryl sodium sulfate, alkylphenol-polyethenoxy base ether Nonyl pheno base ether, wetting and penetrating agent T.
4, described disintegrant is selected one or more mixing of sodium carboxymethyl starch, water soluble starch, sodium sulphate, ammonium sulfate, urea.
5, described binding agent is selected one or more the mixing in dextrin, starch, white sugar, glucose.
6, described density adjuster is selected one or more the mixing in hollow glass micropearl, perlite, white carbon.
7, described filler is selected one or more the mixing in kaolin, attapulgite, potter's clay.
Embodiment
The invention discloses the floating particle agent of preventing and kill off paddy field weed, those skilled in the art can use for reference this paper content, suitably improve technological parameter and realize.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the artly, they all are deemed to be included in the present invention.Method of the present invention and application are described by preferred embodiment, the related personnel obviously can be changed methods and applications as herein described or suitably change and combination within not breaking away from content of the present invention, spirit and scope, realizes and apply the technology of the present invention.
the agent of embodiment 1 preparation weeding floating particle provided by the invention
Oxadiargyl 5%, soybean oil 9%, polyoxyethylene polyoxypropylene base ether block copolymers 6%, lauryl sodium sulfate 2%, starch 6%, hollow glass micropearl 30%,, white carbon 7%, surplus is kaolin.First with white carbon, fully adsorb soybean oil; then add oxadiargyl, polyoxyethylene polyoxypropylene base ether block copolymers, lauryl sodium sulfate, starch, kaolin; mix; air-flow crushing after coarse crushing; then add hollow glass micropearl to mix 30 minutes, mixed material is squeezed into kneader and is mediated 30 minutes, and the material of pinching adopts the Squeezinggranulator granulation; screening after drying, detect after qualified and get final product.
embodiment 2 preparation Herbicidal suspoemulsion provided by the invention
Oxadiargyl 7.5%, mineral oil 9%, polycarboxylate 4%, penetrant t 1%, urea 5%, starch 5%, hollow glass micropearl 40%,, white carbon 7%, surplus is potter's clay.First with white carbon, fully adsorb mineral oil; then add oxadiargyl, polycarboxylate, penetrant t, urea, starch, potter's clay; mix; air-flow crushing after coarse crushing; then add hollow glass micropearl to mix 30 minutes, mixed material is squeezed into kneader and is mediated 30 minutes, and the material of pinching adopts the Squeezinggranulator granulation; screening after drying, detect after qualified and get final product.
embodiment 3 preparation Herbicidal suspoemulsion provided by the invention
Oxadiargyl 10%, saxol 9%, lignin sulfonate 4%, pull open powder 1%, sodium sulphate 8%, dextrin 2%, perlite 30%,, white carbon 7%, surplus is kaolin.First with the abundant adsorptive liquid paraffin of white carbon; then add oxadiargyl, lignin sulfonate, pull open powder, sodium sulphate, dextrin, kaolin; mix; air-flow crushing after coarse crushing; then add perlite to mix 30 minutes, mixed material is squeezed into kneader and is mediated 30 minutes, and the material of pinching adopts the Squeezinggranulator granulation; screening after drying, detect after qualified and get final product.
embodiment 4 preparation Herbicidal suspoemulsion provided by the invention
Oxadiargyl 15%, mineral oil 9%, polycarboxylate 4%, penetrant t 1%, urea 5%, starch 5%, hollow glass micropearl 40%,, white carbon 7%, surplus is potter's clay.First with white carbon, fully adsorb mineral oil; then add oxadiargyl, polycarboxylate, penetrant t, urea, starch, potter's clay; mix; air-flow crushing after coarse crushing; then add hollow glass micropearl to mix 30 minutes, mixed material is squeezed into kneader and is mediated 30 minutes, and the material of pinching adopts the Squeezinggranulator granulation; screening after drying, detect after qualified and get final product.
the embodiment 5 oxadiargyl floating particle provided by the invention agent field trial of cutting weeds
The dispenser place: rice test field, the Hu great capital of the ancient state of Chu, Baojing village, Shucheng County, Anhui Province Hang Bu town, front stubble is idle field.Fertility uniformity experimental field, physical features is smooth.The inclined to one side grittiness of soil, middle fertility, humidity is moderate.Paddy field is given birth to single, double cotyledon weed moleplant seed, barnyard grass, mexicana, Procumbent Falsepimpernel, false loosestrife, carp intestines, nutgrass flatsedge, duckweed etc. one year, 3～5 leaf phases, is evenly distributed.
Spraying time: in 3～4 leaf phases of paddy rice, the concrete time is dispenser in afternoon on June 18 in 2012.
Dispenser condition: dispenser fine day on the same day, 25 ℃～30 ℃ of temperature.
Dispenser dosage and mode: formulation rate 200,100g/667m
2, during dispenser, paddy field keeps the 3-5cm water layer, and paddy field spreads fertilizer over the fields the Yong little ridge, ，Mei community and separates, single single the filling.
Experimental group: be divided into floating particle agent experimental group, wetting powder experimental group; Wherein, in floating particle agent experimental group according to 200,100g/667m
2dosage spray in the embodiment of the present invention 3, make containing 10% oxadiargyl floating particle agent, 80% oxadiargyl wetting powder experimental group is according to 12g/667m
2dosage mix fertilizer and evenly spread fertilizer over the fields.
Blank group: according to 100g/667m
2dosage spray clear water.
Test method: each experimental group and blank group all repeat 4 times, and each experimental group and blank group take respectively community, experimental field area 35m
2, the community randomized arrangement.Before dispenser, in each experimental group and blank Zu community, get at random 4 points, record the front weeds radix (strain/m of dispenser
2); After dispenser 10d, 30d, record respectively according to the method described above weeds survival strain number (strain/m in each experimental group and blank group community
2), calculate weeds preventive effects (%); After dispenser 30d, extract weeds and take fresh weight (g/m
2), calculate fresh weight preventive effect (%).
Weeds strain number * 100 before preventive effect (%)=(weeds strain number after weeds strain number before the treatment region medicine-treatment region medicine)/treatment region medicine.
Fresh weight preventive effect (%)=(check plot weeds fresh weight-treatment region weeds fresh weight)/check plot weeds fresh weight * 100.
The herbicidal effect of each experimental group is in Table 1.
Each formulation herbicidal effect of table 1 oxadiargyl
As shown in Table 1, after dispenser 15d, containing 5% oxadiargyl floating particle agent, to the preventive effect of monocotyledon weed, be 52.0%, to the preventive effect of broadleaf weed, be 53.8%.What the embodiment of the present invention 3 made is 53.1% containing 10% oxadiargyl floating particle agent to the preventive effect of monocotyledon weed, to the preventive effect of broadleaf weed, is 55.6%.Compare with wetting powder, improved the preventive effect to weeds, but difference not significantly (P>0.05).
After dispenser 30d, containing 5% oxadiargyl floating particle agent, to the preventive effects of single, double cotyledon weeds, be 92.0%, 96.2%.What the embodiment of the present invention 3 made is 100% containing 10% oxadiargyl floating particle agent to the preventive effects of single, double cotyledon weeds.Compare with wetting powder, improved the preventive effect to weeds, there is utmost point significant difference (P<0.01).Calculate paddy rice cornfield herbicidal floating particle granula provided by the invention according to the significant difference formula and compare its sig value P<0.01 with the wetting powder single dose,
Dispenser 30d extracts weighing fresh weight after weeds, containing 5% oxadiargyl floating particle agent, to the fresh weight preventive effects of single, double cotyledon weeds, is 93.4%, 97.4%.What the embodiment of the present invention 3 made is 100% containing 10% oxadiargyl floating particle agent to the preventive effects of single, double cotyledon weeds.Compare with wetting powder, improved the fresh weight preventive effect to weeds, there is utmost point significant difference (P<0.01).
After dispenser 30d, each experimental group all has no adverse effects to paddy rice early growth and later stage heading, with the difference of blank group not significantly (P>0.05), therefore, the embodiment of the present invention 1,3 make containing 5%, 10% oxadiargyl floating particle agent to rice safety.
Comprehensive above-mentioned result of the test shows, the agent of oxadiargyl floating particle is compared with the oxadiargyl wetting powder, preventive effect, fresh weight preventive effect, the comprehensive fresh weight preventive effect of weeds in field is improved, to field crops safety.
The dispenser place: Bai Shi village, wax tree town, Huaining County, Anhui Province paddy field, front stubble is idle field.Fertility uniformity experimental field, physical features is smooth.The inclined to one side grittiness of soil, middle fertility, humidity is moderate.Direct seading rice (Nanjing perfume (or spice) is glutinous), paddy field is given birth to the main moleplant seed of single, double cotyledon weeds, barnyard grass, Monochoria vaginalis, dayflower, false loosestrife one year, and water silk floss, duckweed, nutgrass flatsedge etc., 3～5 leaf phases, be evenly distributed.
Spraying time: in 3～4 leaf phases of paddy rice, the concrete time is dispenser in afternoon on June 15 in 2010.
Dispenser condition: dispenser fine day on the same day, 23 ℃～31 ℃ of temperature.
Dispenser dosage and mode: formulation rate 130,70g/667m
2, during dispenser, paddy field keeps the 3-5cm water layer, and paddy field spreads fertilizer over the fields the Yong little ridge, ，Mei community and separates, single single the filling.
Experimental group: be divided into floating particle agent experimental group, wetting powder experimental group; Wherein, in floating particle agent experimental group according to 130,70g/667m
2dosage spray in the embodiment of the present invention 3, make containing 15% oxadiargyl floating particle agent, 80% oxadiargyl wetting powder experimental group is according to 12g/667m
2dosage mix fertilizer and evenly spread fertilizer over the fields.
Blank group: according to 100g/667m
2dosage spray clear water.
Test method: each experimental group and blank group all repeat 4 times, and each experimental group and blank group take respectively community, experimental field area 30m
2, the community randomized arrangement.Before dispenser, in each experimental group and blank Zu community, get at random 4 points, record the front weeds radix (strain/m of dispenser
2); After dispenser 15d, 30d, record respectively according to the method described above weeds survival strain number (strain/m in each experimental group and blank group community
2), calculate weeds preventive effects (%); After dispenser 30d, extract weeds and take fresh weight (g/m
2), calculate fresh weight preventive effect (%).
Weeds strain number * 100 before preventive effect (%)=(weeds strain number after weeds strain number before the treatment region medicine-treatment region medicine)/treatment region medicine.
Fresh weight preventive effect (%)=(check plot weeds fresh weight-treatment region weeds fresh weight)/check plot weeds fresh weight * 100.
Variable concentrations oxadiargyl floating particle agent herbicidal effect is in Table 2
Each formulation herbicidal effect of table 2 oxadiargyl
Associative list 1,2 is known, after dispenser 15d, what the embodiment of the present invention 2 made is 57.4%, 60.9% containing 7.5% oxadiargyl floating particle agent to the preventive effects of single, double cotyledon weeds, with wetting powder, compares, improve the preventive effect to weeds, there is utmost point significant difference (P<0.01); What the embodiment of the present invention 4 made is 64.7%, 68.2% containing 15% oxadiargyl floating particle agent to the preventive effects of single, double cotyledon weeds, with wetting powder, compares, and has improved the preventive effect to weeds, has utmost point significant difference (P<0.01); After dispenser 30d, the oxadiargyl floating particle agent that the embodiment of the present invention 2,4 makes is 100% to the preventive effect of single, double cotyledon weeds, with wetting powder, compares, and has all improved the preventive effect to weeds, has utmost point significant difference (P<0.01).
Dispenser 30d extracts weighing fresh weight after weeds, the oxadiargyl floating particle agent that the embodiment of the present invention 2,4 makes is 100% to the fresh weight preventive effect of single, double cotyledon weeds, compare with wetting powder, improved the fresh weight preventive effect to weeds, there is utmost point significant difference (P<0.01).
After dispenser 30d, each experimental group all has no adverse effects to the heading of paddy rice early growth and later stage, and with the difference of blank group not significantly (P>0.05), therefore, the oxadiargyl floating particle agent that the embodiment of the present invention 2,4 makes is to rice safety.
the embodiment 6 oxadiargyl floating particle provided by the invention agent field trial of cutting weeds
Method according to embodiment 17, the preventive effect of the oxadiargyl floating particle agent that detection embodiment 1,2,3,4 makes to weeds in field, compare with wetting powder, after dispenser 30d, all improve preventive effect, fresh weight preventive effect and comprehensive fresh weight preventive effect to weeds, there is significant difference (P<0.01).Each experimental group all has no adverse effects to the heading of paddy rice early growth and later stage, and with the difference of blank group not significantly (P>0.05), therefore, the oxadiargyl floating particle agent that the embodiment of the present invention 1,2,3,4 makes is to rice safety.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. one kind for preventing and kill off the floating particle agent of paddy field weed, it is characterized in that: it is comprised of the component of following percentage by weight: oxadiargyl content 1%-80%, water surface diffusant 1%-15%, dispersant 1%-10%, wetting agent 1%-5%, disintegrant 1%-10%, binding agent 1%-10%, density adjuster 1%-10%, the carrier surplus.
2. as claimed in claim 1 a kind of for preventing and kill off the floating particle agent of paddy field weed, it is characterized in that: described water surface diffusant is selected refining mineral oil, saxol, peanut oil, soybean oil, palm oil, turpentine oil.
3. as claimed in claim 1 a kind of for preventing and kill off the floating particle agent of paddy field weed, it is characterized in that: described dispersant is selected lignin sulfonate, the polycarboxylic acid salt, the mixing of one or more in alkylphenol polyoxyethylene formaldehyde condensation products, polyoxyethylene polyoxypropylene base ether block copolymers, dodecyl polyoxyethylene phosphate or alkyl naphthalene formaldehyde condensate sulfonates.
4. according to claim 1 a kind of for preventing and kill off the floating particle agent of paddy field weed, it is characterized in that: described wetting agent is selected neopelex, is pulled open powder, lauryl sodium sulfate, alkylphenol-polyethenoxy base ether, Nonyl pheno base ether, wetting and penetrating agent fast in one or more mixing.
5. according to claim 1 a kind of for preventing and kill off the floating particle agent of paddy field weed, it is characterized in that: described disintegrant is selected one or more mixing of sodium carboxymethyl starch, water soluble starch, sodium sulphate, ammonium sulfate, urea.
6. according to claim 1 a kind of for preventing and kill off the floating particle agent of paddy field weed, it is characterized in that: described binding agent is selected one or more the mixing in dextrin, starch, white sugar, glucose.
7. according to claim 1 a kind of for preventing and kill off the floating particle agent of paddy field weed, it is characterized in that: described density adjuster is selected one or more the mixing in hollow glass micropearl, perlite, white carbon.
8. according to claim 1 a kind of for preventing and kill off the floating particle agent of paddy field weed, it is characterized in that: described filler is selected one or more the mixing in kaolin, attapulgite, potter's clay.
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| CN201310448663.5A CN103478139A (en) | 2013-09-28 | 2013-09-28 | Water surface floating granule for weeding |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104396969A (en) * | 2014-10-29 | 2015-03-11 | 山东华亚环保科技有限公司 | Herbicide and application thereof |
| CN104430325A (en) * | 2014-10-20 | 2015-03-25 | 大连仁邦化学有限公司 | Water surface dispersing agent and water surface dispersion-type pesticide |
| CN109479879A (en) * | 2018-12-17 | 2019-03-19 | 杰世化工(上海)有限公司 | A kind of agent for removing grass in paddy field floating particle agent and preparation method thereof |
| CN111670900A (en) * | 2020-05-25 | 2020-09-18 | 中国水稻研究所 | Rice field pre-emergence sealed herbicide granules and preparation method and application thereof |
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| CN103271025A (en) * | 2013-04-27 | 2013-09-04 | 广东中迅农科股份有限公司 | Anilofos-pyrazosulfuron ethyl water surface diffusion agent and preparation method thereof |
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| JPH0899803A (en) * | 1994-08-04 | 1996-04-16 | Sankyo Co Ltd | Water surface floating spreadable nondisintegrating granule |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104430325A (en) * | 2014-10-20 | 2015-03-25 | 大连仁邦化学有限公司 | Water surface dispersing agent and water surface dispersion-type pesticide |
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| CN104396969A (en) * | 2014-10-29 | 2015-03-11 | 山东华亚环保科技有限公司 | Herbicide and application thereof |
| CN109479879A (en) * | 2018-12-17 | 2019-03-19 | 杰世化工(上海)有限公司 | A kind of agent for removing grass in paddy field floating particle agent and preparation method thereof |
| CN113598172A (en) * | 2018-12-17 | 2021-11-05 | 杰世化工(上海)有限公司 | Weeding floating granules for paddy field and preparation method thereof |
| CN111670900A (en) * | 2020-05-25 | 2020-09-18 | 中国水稻研究所 | Rice field pre-emergence sealed herbicide granules and preparation method and application thereof |
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Application publication date: 20140101 |